1.4 Study Guide

Question 1

How do you get from one metric unit to another?

Answer 1

By divinding or multiplying by the powers of 10.

Question 2

What is are the measurements for mass and volume?

Answer 2

Mass = Grams.
Volume = Liters.

Question 3

What are qualitative and quantitative observations?

Answer 3

Quantitative: The biased one. “He is tall,” is an example.

Qualitative: Numbers. Data. Unbiased.

Question 4

What is average/mean?

Answer 4

All of the numbers in a data set added together, then divided by the amount of numbers added.

Question 5

What is range and median?

Answer 5

Range: The lowest and highest number subtracted by each other in a data set.

Median: The middle number in a set of numbers.

Question 6

How do you find volume?

Answer 6

For a box, it’s height times width times depth. If it’s an object in water, it’s where the meniscus is at.

Question 7

What is meniscus?

Answer 7

The lowest part of the line for a water measurement.

Question 8

The degree of hot or cold of an object is what?

Answer 8

Temperature.

Question 9

What is mass?

Answer 9

The amount of matter in an object.

Question 10

Describe temperature.

Answer 10

Degree of hotness = kinetic energy.

Question 11

How do you measure length?

Answer 11

Meters.

Question 12

What is the symbol for each of the units we went over, or that you should know?

Answer 12

Meter = m.
Gram = g.
Liter = L.
Seconds = S.
Celsius = {Degree symbol} C.
Micro = U-like symbol.
Nano = n.
Centimeters = cm.
Kilo = k.
Milli = m.
Centi = c.
Picameters = p.
Deci = d.

Question 13

Describe precision and accuracy.

Answer 13

Precision is the quality or condition of something being accurate, and accuracy is the quality of something being correct or precise.

Question 14

What is body temperature 98.4 degrees Fahrenheit in Celsius?

Answer 14

37 degrees Celsius.

Question 15

Is 4 degrees Celsius the temperature of a hot or cool day?

Answer 15

Cool.

Question 16

What is the temperature 4 degrees Celsius in Fahrenheit?

Answer 16

39.2 degrees Fahrenheit.

Question 17

If your mass was 70 kilograms (kg) on Earth, what would it be on the moon?

Answer 17

70 kilograms. It doesn’t change.

Question 18

What is a factor?

Answer 18

・ Fraction.
・Give relationship.
・”For every”.

Question 19

How do the prefixes in the metric system relate to the base units?

Answer 19

The prefixes tell you how many of the base unit is being represented.

Question 20

What is the different between mass and volume?

Answer 20

Mass is the amount of matter while volume is the amount of space in an object.

Question 21

What is 53 nn in micro?

Answer 21

Divide, then move the decimal over 3 places.

0.053 micrometers.

Question 22

What is 37.3 mm in m?

Answer 22

Divide, move the decimal to the left 3 places, and the answer is 0.0373 m.

Question 23

What is 90.1 km in nm?

Answer 23

Multiply, then move the decimal over 12 places, and you get 90,100,000,000,000 nm.

Question 24

How do you find how many decimal places your supposed to move, and which way?

Answer 24

By subtracting the powers of the prefixes, and then multiplying/diving to get your answer. Multiplying: move right and dividing: move left.

Question 25

What is 29.8 m in cm?

Answer 25

Multiply by 100, and move the decimal to the right 2 times to get 2980 cm.